<gm:page title="My App" authenticate="false">

  <gm:list id="myList" template="eurotripItems" 
      data="http://eurotrip.com.ar/atom.xml" pagesize="10"/>

  <gm:template id="eurotripItems">
    <div class="post" repeat="true">
      <h1><gm:text ref="atom:title"/></h1>
      <div><gm:html ref="atom:summary"/></div>
    </div>
  </gm:template>


</gm:page>